Sodium hydroxide, NaOH; sodium phosphate, Na3PO4; and sodium nitrate, NaNO3, are all common chemicals used in cleanser formulation. Rank the compounds in order from largest mass percent of sodium to smallest mass percent of sodium.

Question

Nash Armstrong

Chemistry

22 August, 08:29

Sodium hydroxide, NaOH; sodium phosphate, Na3PO4; and sodium nitrate, NaNO3, are all common chemicals used in cleanser formulation. Rank the compounds in order from largest mass percent of sodium to smallest mass percent of sodium.

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Answers (1)

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Ximena Newman · Answer 1

NaOH:

(1x23) / (1x23 + 1x16 + 1x1) = 57.5 %

Na3PO4

(3x23) / (3x23 + 1x31 + 4x16) = 42.07%

NaNO3

(1x23) / (1x23 + 1x14 + 3x16) = 27.05%

So, NaOH > Na3PO4 > NaNO3